Complexity belongs behind the interface.
Users shouldn't need to understand the underlying system in order to benefit from it.
SENIOR SOFTWARE ENGINEER · PRODUCT ENGINEER
PATRICKZLYDAK
I build interfaces for complicated systems—
and make them feel simple.
9:41
PEGASUSELITE PERFORMANCE
TODAY'S WORKOUT
Lower Power
VOLUME6,280 lbs
EXERCISES8
DURATION59:41
98PERFORMANCE
STRENGTH TREND+18%
MUSCLE FOCUS
Quads
Glutes
Hamstrings
ACTIVE WORKOUT
Hack Squat
Lower Power · Exercise 3 of 8
SET 2
315LB
×8REPS
PREVIOUS SET
315 lb × 8✓
Stay controlled through the bottom position.
01 / PRODUCT
PEGASUS
ELITE PERFORMANCE
A mobile performance platform designed to make complex training feel intuitive.
React NativeExpoTypeScriptSupabase
PRODUCT THINKING
Most training apps treat a workout like a spreadsheet.
THE EXPERIENCE
I wanted the workout to feel like an experience.
INTERACTIVE
Try completing the current set.
STATE
Session progression
INTERACTION
Completion feedback
PLATFORM
React Native / Expo
02 / SYSTEMS
VQ INSIGHTS
Turning connected-vehicle telemetry into information fleet managers can actually use.
FLEET NETWORK / LIVE VIEWLIVE
SIMULATED PORTFOLIO DATA · NO CUSTOMER DATA
FRONTEND VISUALIZATION
Find the signal inside the noise.
I designed the cluster-map experience that made a nationwide connected fleet understandable at a glance.
INTERACTIVE
Select the highlighted vehicle.
The map will replay a simulated route and stream telemetry as the vehicle moves.
TELEMETRY → MEANING
Data became valuable when fleet managers could understand what it meant.
ROUTESIDLE TIMEHARSH BRAKINGDIAGNOSTICSFUEL USAGEESTIMATED SAVINGS
03 / AUTOMATION
WELLTOWER
Turning a manual financial review process into software that validates, traces, and surfaces discrepancies automatically.
TRIAL BALANCE / REVIEW FLOWMANUALAUTOMATED
01UPLOADTrial balance
02WELLTOWER REVIEWHuman review
03FIND ERRORLocate discrepancy
04TRACE ACCOUNTSSource mapping
05CONTACT OPERATORReport issue
06CORRECTResolve issue
01UPLOADTrial balance
02VALIDATEAutomated rules
03REVERSE MAPTrace source account
04FLAGActionable issue
05CORRECTOperator resolves
THE OLD WORKFLOW
Some problems don't need another dashboard.
They need the workflow itself redesigned.
AUTOMATION
We removed the manual review step.
Validation and reverse account mapping surface discrepancies directly to the operator.
REVERSE MAPPING / SIMULATED EXAMPLEREADY
WELLTOWER GLGL-610200Demo operating expense account
OPERATOR ACCOUNTOP-5031Demo source account with discrepancy
STATUSMismatch detectedSimulated issue can be returned directly to the operating partner.
SIMULATED PORTFOLIO DATA · NO CUSTOMER DATA
MODERNIZING THE DATA LAYER
LEGACY20–30 T-SQLStored procedures
TRANSFORMdbt MODELSValidated transformations
WAREHOUSESNOWFLAKEOrchestrated with Airflow
AI-assisted migration. AI accelerated SQL translation while engineering judgment remained responsible for validation, adaptation, and production correctness.
HOW I BUILDThe projects change.
The projects change.
The principles don't.
Good engineering should make the difficult parts disappear beneath an interface people can understand.
Build systems, not screens.
Reusable components, clear state models, and durable patterns beat one-off implementations.
AI is leverage, not autopilot.
Use it aggressively to accelerate engineering while keeping judgment, validation, and accountability with the engineer.
Product context comes first.
The technically impressive solution doesn't matter if it solves the wrong problem.
THE THROUGH-LINE
I build interfaces for complicated systems—and make them feel simple.
ARCHIVE / EARLIER ERASI've been doing
I've been doing
this for a while.
Some of the technologies survived.
Some did not.
LEGACY MODE
2004 → 2018
ARCHIVE / ENTRYDifferent era.
Different era.
Different rules.
Scroll normally. The world moves with you.
START
2004 / THE WEB ERA
The web was simpler.
The deployment process was not.
2004
2007–2012 / INTERACTIVE ERA
Yes, I professionally shipped Flash.
Interactive campaigns, games, motion, and an unreasonable number of loading bars.
2007
2012 / HERO MILESTONEDuracell
Duracell
Virtual Stadium
Microsoft Kinect · 2012 Summer Olympics · real-time fan messages · MITX Award
Before “spatial computing” was a product category, we were already building interfaces people controlled with their bodies.MITX / PHYSICAL COMPUTING + ROBOTICS
2012
2013–2015 / SYSTEMS
The browser was only one layer.
High-traffic applications pulled the work deeper into APIs, data, backend services, and infrastructure.
2013
2015–2016 / FRONTEND LEADERSHIPOld platform.
Old platform.
New foundation.
Leading a frontend team through a move from ActionScript/Flex toward HTML5 and JavaScript.
2015
2016–2018 / VIACOM
From building pages to leading systems.
Tech lead for the core web team across a portfolio of major media brands.
2016
2018–2019 / EA SPORTS
Software behind the game.
Player First tooling for in-game content creation and online service operations across EA Sports titles.
From here the story reconnects to the modern chapters above.2018
LEGACY MODE: OFF
Welcome back.
The past explains the path. The present is where we build next.
PRESENT DAY / CONTACTLet’s build something
Let’s build something
remarkable.
If you’re building a product with a complicated system underneath it, that’s usually where I do my best work.